New Measurements Released From the Dark Energy Survey

New Measurements Released From the Dark Energy Survey

The most precise measurements of the universe’s composition and growth have been reported in almost thirty new papers based on Dark Energy Survey observations of 229 million galaxies and covering one-eighth of the sky. Plus, stories from the first day of the AAS conference, all the volcanoes, and mission updates.

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Supernovae and Galaxies Being Used to Solve Astrophysics’ Biggest Questions

Supernovae and Galaxies Being Used to Solve Astrophysics’ Biggest Questions

Two new studies are attempting to solve a couple of big puzzles in astrophysics: Is the Hubble constant actually constant? And why do galaxies have flat rotation curves? Plus, a young star’s circumstellar disk, the search for stellar-mass black holes, magnesium in the deep waters of Neptune and Uranus, and an interview with PSI scientist David Horvath regarding possibly active volcanism on Mars.

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